The Nordic diet, focused on vegetables, whole grains, fatty fish and berries, is tied for third place in the best plant-based diets on U.S. News and World Report's newly-released list of best diets for 2019.
All three plans focus on eating a mostly plant-based diet (veggies, fruits and whole grains), healthy fats and lean protein sources.
The Mediterranean diet has been linked to increased longevity and a decreased risk of chronic illnesses, the report said.
The diet, named for the region that includes Norway, Iceland, Finland, Denmark and Sweden, is an example of a growing interest in diets followed by some of the healthiest people in the world, according to Angela Haupt, assistant managing editor of health at U.S. News and World Report.
When a person fills their diet with the kinds of fresh, unprocessed foods found in the Mediterranean diet, they may lose weight, improve their heart health, and prevent diabetes, according to US News.
The diet could also help prevent cognitive diseases like Alzheimer's and Parkinson's as well as breast cancer. The DASH (Dietary Approaches to Stop Hypertension) diet was ranked second on the magazine's overall Best Diets 2019 list, followed by the Flexitarian plan.
In the book, Blatner says you don't have to cut out meat entirely to reap the health benefits of a vegetarian diet.
The plan focuses on fruit, vegetables, whole grain, lean protein and low-fat dairy and eliminates foods high in fat and sugar-sweetened drinks and candies, according to U.S. News and World Report.
Red meat and sugary foods are very limited, but adding red wine is alright in moderation.
The diet emphasizes healthy food sources, including fruits, vegetables, whole grains, skinless poultry and fish, and nuts and legumes.
The WW Freestyle program was launched in 2017 and builds off the company's signature SmartPoints system, which assigns every food and beverage a point value, based on its nutrition.
But the diet topping any list isn't necessarily the best diet for you.